biofriction-wp-theme/library/catch-first-image.php

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2021-02-18 15:27:46 +01:00
<?php
/**
* Start catch up first image in a post else get the custom logo
* ----------------------------------------------------------------------------
* @package Biofriction
*/
if ( ! function_exists( 'catch_post_first_image' ) ) :
function catch_post_first_image() {
global $post, $posts;
$first_img = '';
ob_start();
ob_end_clean();
$output = preg_match_all('/<img.+src=[\'"]([^\'"]+)[\'"].*>/i', $post->post_content, $matches);
$first_img = $matches [1] [0];
if(!empty($first_img)){
return $first_img;
}
if(empty($first_img)){ //Defines a default image
// https://developer.wordpress.org/reference/functions/the_custom_logo/
$custom_logo_image = wp_get_attachment_image_src( get_theme_mod( 'custom_logo' ) , 'full' );
$first_img = $custom_logo_image[0];
return $first_img;
}
}
endif;
?>